package com.sskj.linechat.activity;

import android.Manifest;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

import com.sskj.common.util.ClickUtil;
import com.sskj.common.util.ToastUtil;
import com.sskj.linechat.R;
import com.sskj.linechat.utils.ImgUtil;
import com.sskj.linechat.widght.SignatureView;
import com.tbruyelle.rxpermissions2.RxPermissions;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;

import butterknife.BindView;
import butterknife.ButterKnife;

/**
 * @author Hey
 * Create at  2019/10/30 16:25:04
 */
public class SignPlatformActivity extends AppCompatActivity {


    @BindView(R.id.signatureView)
    SignatureView signatureView;
    @BindView(R.id.tv_clear)
    TextView tvClear;
    @BindView(R.id.tv_save)
    TextView tvSave;

    boolean mIsSign = false;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.minenew_activity_sign_platform);
        ButterKnife.bind(this);

        initEvent();
    }

    public static void start(Context context) {
        Intent intent = new Intent(context, SignPlatformActivity.class);
        context.startActivity(intent);
    }

    /**
     *  
     *  * 图片按比例大小压缩方法 
     *  * 
     *  * @param image （根据Bitmap图片压缩） 
     *  * @return 
     *  
     */
    public static Bitmap compressScale(Bitmap image) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        image.compress(Bitmap.CompressFormat.JPEG, 100, baos);
        if (baos.toByteArray().length / 1024 > 1024) {//判断如果图片大于1M,进行压缩避免在生成图片（BitmapFactory.decodeStream）时溢出
            baos.reset();//重置baos即清空baos
            image.compress(Bitmap.CompressFormat.JPEG, 50, baos);//这里压缩50%，把压缩后的数据存放到baos中
        }
        ByteArrayInputStream isBm = new ByteArrayInputStream(baos.toByteArray());
        BitmapFactory.Options newOpts = new BitmapFactory.Options();
        //开始读入图片，此时把options.inJustDecodeBounds 设回true了
        newOpts.inJustDecodeBounds = true;
        Bitmap bitmap = BitmapFactory.decodeStream(isBm, null, newOpts);
        newOpts.inJustDecodeBounds = false;
        int w = newOpts.outWidth;
        int h = newOpts.outHeight;
        //现在主流手机比较多是800*480分辨率，所以高和宽我们设置为
        float hh = 800f;//这里设置高度为800f
        float ww = 480f;//这里设置宽度为480f
        //缩放比。由于是固定比例缩放，只用高或者宽其中一个数据进行计算即可
        int be = 1;//be=1表示不缩放
        if (w > h && w > ww) {//如果宽度大的话根据宽度固定大小缩放
            be = (int) (newOpts.outWidth / ww);
        } else if (w < h && h > hh) {//如果高度高的话根据宽度固定大小缩放
            be = (int) (newOpts.outHeight / hh);
        }
        if (be <= 0)
            be = 1;
        newOpts.inSampleSize = be;//设置缩放比例
        //newOpts.inPreferredConfig = Bitmap.Config.RGB_565;//降低图片从ARGB888到RGB565
        //重新读入图片，注意此时已经把options.inJustDecodeBounds 设回false了
        isBm = new ByteArrayInputStream(baos.toByteArray());
        bitmap = BitmapFactory.decodeStream(isBm, null, newOpts);
        // return compressImage(bitmap);//压缩好比例大小后再进行质量压缩
        return bitmap;
    }

    @Override
    protected void onResume() {
        /**
         * 设置为横屏
         */
//        if (getRequestedOrientation() != ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
//            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
//        }
        super.onResume();
    }


    @SuppressLint("CheckResult")
    public void initEvent() {
        ClickUtil.click(200, tvClear, () -> {
            signatureView.clear();
        });

        ClickUtil.click(200, tvSave, () -> {
            if (mIsSign) {
                Bitmap signatureBitmap = signatureView.getSignatureBitmap();
                if (signatureBitmap != null) {
                    Bitmap bitmap = compressScale(signatureBitmap);
                    if (bitmap != null) {
                        ImgUtil.saveImageToGallery(this, bitmap);
//                        if (file != null) {
//                            ToastUtil.showShort("成功");
//                        } else {
//                            ToastUtil.showShort("失败");
//                        }
                    }
                }
            } else {
                ToastUtil.showShort("请进行签名!");
            }


        });

        signatureView.setOnSignedListener(new SignatureView.OnSignedListener() {
            @Override
            public void onSigned() {
                mIsSign = true;
//                tvClear.setEnabled(true);
//                tvSave.setEnabled(true);
            }

            @Override
            public void onClear() {
                mIsSign = false;
//                tvClear.setEnabled(false);
//                tvSave.setEnabled(false);
            }
        });


    }


}
